Luigi ALDIERI is Associate Professor of Economics at the Department of Economic and Statistical Sciences of University of Salerno from 10/2017. He was Assistant Professor at the University of Naples Parthenope from 02/2006 to 09/2017. He holds a Phd in Sciences Economiques et de gestion at the Solvay Business School of Economics and Management (SBS-EM) of Université Libre de Bruxelles (ULB) (14/09/2011). His Ph.D. thesis "Three Essays on Knowledge Diffusion and Firms' Economic Performance" is supervised by Prof. Michele Cincera. After his B.A. in Economics in 2002 at the University of Naples Parthenope, he got the Master degree in Economics and Finance (MEF) at the University of Naples Federico II, he got a Master degree in Economics (ECONOM R A) at ULB and finally he got a PhD degree in Economics (with Prof. Alfredo Del Monte as tutor) at the University of Naples Federico II. In 2020 he got Italian Scientific Abilitation for Full Professor in Economics. His research interests embrace Applied Econometrics, the measurement of knowledge, geographic spillovers and economic performance of large international firms, as well as the empirical analysis of the effects of educational level on fertility in developed countries.